| 摘要 |
A transceiver capable of transmitting and receiving current-driven communication signals is implemented within a communication system, for example a subscriber loop associated with the public-switched-telephone-network (PSTN). By utilizing current drivers having high source impedance the load across a communication connection servicing the transceiver is significantly reduced such that additional transceivers may be bridged to the communication connection without substantially affecting the quality of the communication signals.
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